All Notes on BCA

Part –A

Unit-1
1. A group of 8 bits is called
(a) Bytes                          (b)  Nibble  (c)  Kilobyte  (d)  None
Answer:-  
2. Binary Equivalent of Hexadecimal no. AB is
(a) 10111010    (b)  10101011   (c)  10111001   (d) 10101001
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3. Binary equivalent of Decimal no. 22 is 
(a)  10010    (b)  11010   (c)  10110       (d) 10001
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4. Which of the following techniques is best suited for bank cheques ?
(a) OCR    (b)  OMR    (c)  BAR          (d) MICR
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5. Which of the following is not an output device ?
(a) Printer     (b)  Monitor     (c) Keyboard        (d) Plotter
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6. LCD stands for
(a) Liquid Colour Display
(b) Light Colour Display
(c) Light Crystal Display
(d) Liquid Crystal Display
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7. Mouse and Light Pens Are Example of ………….. Input Devices.
(a) Pointing     (b)  Printing    (c)  Pen         (d) Press
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8. Which of The following is impact printer ?
(a) Thermal      (b)  Laser        (c)  Inkjet         (d)  Daisy Wheel
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9. ……………. Is used to connect external devices to system.
(a) Port      (b)  Bus          (c)  Cards          (d)  Modem
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10. Set of ordered steps, which specify how to solve the problem are known as
(a) Flowchart      (b) Program       (c)  Algorithm        (d) None
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Unit-2
11. Which of the following Processors can be used in Laptop?
(a) I3  (i3)     (b)  I5 (i5)                    (c )  I7 (i7)          (d) All of These
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12. Select the Largest memory size
(a)  Terabytes     (b)  Gigabytes       (c)  Kilobytes          (d)  Megabytes
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13. The storage device that has high cost per bit of storage 
(a) SRAM    (b) Cache  Memory      (c)  ROM           (d) Hard Disk
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14. The type of memory that uses in-circuit wiring to erase the content by applying electric field is
(a) PROM                 (b) EAROM        (c) EEROM              (d) Flash Memory
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15. The secondary storage device that follows the sequential mode only
(a) Optical Disk    (b)  Magnetic Disk       (c) Magnetic Tape           (d)  None
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16. The two part forms of machine language instruction are
(a) Opcode and Operator           (b)  Opcode and Operand            (c)  Operand and Operator          (d)  None
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17. ………………….. Language is very close to the hardware 
(a) High level             (b)  Assembly                    (c)  Machine   (d) Object-oriented
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18. IBM stands for 
(a) Indian Business Market
(b) Indian Business Machine 
(c) International  Business  Market 
(d) international Business  Machine
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19. scanner is a/an
(a) input device           (b)  Output device     (c)  Storage device  (d) All the above
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20. P stands for ……………………… in CPU.
(a) Processing            (b)  Purpose    (c)  Peripheral    (d) Power
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Unit-3
21. In RISC , C stands for
(a) Company            (b)  Complex    (c) Computing   (d) Common 
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22.  ADD, JMP mnemonics are used in which Language?
(a) Machine            (b)  Assembly    (c) High Level   (d) None
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23. Which of the following is object oriented   language?
(a) C             (b)  JAVA     (c) COBOL   (d) PASCAL
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24. Complier and Interpreter are also called as 
(a) Languages           (b) Language translators   (c) Assemblers   (d) None
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25. Which of the following is system software 
(a) Microsoft word            (b) Adobe Photoshop   (c) Windows 7   (d) None
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26. LINUX  is a tye of …….  SoftwareOPen source 
(a) Shareware            (b)Open source    (c) Commercial   (d) Proprietary
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27. An Error in a computer program is called 
(a) Bus             (b)  Bug     (c) Bubble   (d) Bar
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28. What is Inside  a Processor ?
(a) Register            (b) Resistor    (c) Transistor   (d)  IC 
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29. The part of the computer, which can be touched is called
(a) Software             (b)  Hardware    (c)  Human ware (d)  None
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30. A High level Language is a Programming Language that is
(a)  Easier to use
(b)  Considered a first Generation  
(c)  Written as a string 1’s and 0’s    
(d)  Machine dependent 
Answer:-
Unit-4
31. Which of the following is a function of operating system?
(a) Process Management        (b)  Memory Management        (c)  Device Management    (d) All of these
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32. Program in execution is called
(a) Memory                (b) Process             (c) Running   (d) Execution
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33. Processed data is known as
(a) Data base               (b)  Raw data            (c)  Information   (d) Record
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34. In DOS , D stand for 
(a) Disk               (b) Device             (c) Dual    (d) Dynamic
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35. The process of Loading O.S. in computer  main memory is called
(a) Loading    (b) Booting    (c) Formatting   (d) Spooling
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36. In which database, data is stored as a collection of tables?
(a) Relational    (b) Network    (c) Hierarchical   (d) None
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37. Which is not a component of a Relational database?
(a) Entity   (b) Attribute    (c) Domain   (d) Hierarchy
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38. Which of the following is not a method of Data processing?
(a) Batch  Processing                 (b) Online Processing      (c) Regular Processing        (d) Distributed processing
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39. Second Generation Computers were ……………. Based machines.
(a) Transistor    (b)  Volve       (c) IC                  (d) Processor
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40. speed  of computer is measured in 
(a) Micro Seconds   (b)  Milli Seconds    (c) Pico Seconds   (d) All of These
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Unit-5
41. Which media does not come under  the guided media ?
(a) Optical Fiber   (b) Coaxial cable     (c)  Twisted  Pair  (d) Micro wave
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42.  A telephone line can only send………………. Waves
(a) Analog    (b) Digital      (c) Hybrid   (d) Micro
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43. Identify the odd term out.
(a) Router    (b) PC                  (c) Switch   (d) NIC
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44. Which of the following is true for Ring topology ?
(a) Have only one central computer 
(b) Have two central computer
(c) Have more than two central computer
(d) No central computer
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45. The address of a website or webpage is known as  -
(a) URL   (b)  FTP    (c)  IRC   (d)   ISP
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46. Which one is not Language of Internet?
(a) Perl    (b)  HTML   (c)  XML  (d)  COBOL
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47. Which of the following is a Search engine?
(a) Google    (b)  Microsoft   (c) HTML   (d)None
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48. Which of the following networking solutions is suotable for networking within a building?
(a) WAN   (b)  LAN    (c)  MAN  (d)  None
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49. Which of the following is not a network topology?
(a) Star    (b) Ring    (c) Mesh   (d)OSI
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50. Which of the following is valid e-mail address?
(a) mlsu.yahoo.com
(b)  mlsu_yahoo.com
(c) mlsu @ ahoo.com
(d) www.mlsu.yahoo.com.
Answer:-

Part-B

Unit-1

1. with an appropriate example, explain the following:
(a).   Binary to Decimal and Vice Versa Conversion.
(b).   Hexadecimal Representation of numbers.
OR
 What is a Computer? Explain the functional units of computer. Also discuss the Characteristics of a computer.

Unit-2
2. What are the types of Memories available in the computer system? How are they organized in the Hierarchy?
OR
Briefly describe the processor and list the processor used in Desktops and Laptops.

Unit-3
3. Compare RISC and CISC architecture briefly. Also discuss their advantages and disadvantages.
OR
(a).  Explain the different types of Software.
(b).  Describe the various types of Programming Language with their advantages and disadvantages.

Unit-4
4. Explain the main features of Operating System.
OR
Write short notes on the following:
(a).  Data Models.
(b). Different generations of Computer

Unit-5
5. Explain OSI Model in detail.
OR
      List the various services provided by the Internet